OP Roller Build. What size is the seat post?
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05-11-2011, 10:42 PM
Motorized Bicycle Elite Member
Join Date: Sep 2010
Re: OP Roller Build. What size is the seat post?
I thought they were all the same size?
Mine is 27.2mm x 350mm
I've seen some that are 31.6mm
Yours is probably around 27.2 x 300mm
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